there was a march saturday in memory of hadiya pendleton. the 15-year-old was shot and killed tuesday in a park with her friends. i want to bring in reverend al sharpton, host of msnbc's "politics nation." also president of the national action network as well. let's talk about hadiya first. recently got back from washington. she just performed at president obama's inauguration. for folks who don't know the story, who aren't familiar with this little girl, what can you tell us? >> 15 years old, honor student. as you said, performed at the president's inaugural festivities. went home, was on her way in a month or so to paris. and was killed. apparently standing under a petition that was, you know, there for weather. and someone shot her. there with all kinds of theories of whether it was mistaken for gang warfare. she clearly had no involvement in any violence in her life, no gang warfare. in fact, had done a commercial against gang warfare. and had a mother on politics nation. >> i want to play that for our viewers. take a listen. >> her frie